Radio frequency microneedle technology refers to the use of microneedles to introduce high-energy radio frequency energy and precisely target groups at different depths, stimulating and inducing skin collagen recombination and regeneration. Radio frequency microneedles combine microneedle plastic, radio wave skin stretching, and dot matrix pixels, commonly used in clinical treatment of acne scars. This machine can treat acne marks, acne pits, scars and stretch mark.United States, Russia, EU, MX,overseas warehouse delivery, 3-10 days to arrive.syi